Home / 777,030.72-1,072,306.08-437,504.64

Finding the Fourth Proportional to 777,030.72, 1,072,306.08 and 437,504.64

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Solution

The fourth proportional to 777,030.72, 1,072,306.08 and 437,504.64 is: 603,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,030.72 : 1,072,306.08 = 437,504.64 : x
  2. Step 2: Convert to fraction form
    777,030.72/1,072,306.08 = 437,504.64/x
  3. Step 3: Cross multiply
    777,030.72x = 1,072,306.08 × 437,504.64
  4. Step 4: Simplify right side
    777,030.72x = 469,138,885,500.21
  5. Step 5: Solve for x
    x = 469,138,885,500.21/777,030.72
  6. Step 6: Final answer
    x = 603,758.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.